Home / 55,855.89-77,072.53-33,186.49

Finding the Fourth Proportional to 55,855.89, 77,072.53 and 33,186.49

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Solution

The fourth proportional to 55,855.89, 77,072.53 and 33,186.49 is: 45,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,855.89 : 77,072.53 = 33,186.49 : x
  2. Step 2: Convert to fraction form
    55,855.89/77,072.53 = 33,186.49/x
  3. Step 3: Cross multiply
    55,855.89x = 77,072.53 × 33,186.49
  4. Step 4: Simplify right side
    55,855.89x = 2,557,766,194.82
  5. Step 5: Solve for x
    x = 2,557,766,194.82/55,855.89
  6. Step 6: Final answer
    x = 45,792.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.